Cas 142891-81-4,3,3'-Bis-(3,5-di-tert-butyl-4-hydroxyphenyl)-5,5'-dihydroxy-2,2'-bi-1,4-naphthochinon

142891-81-4

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Basic information

Product Name: 3,3'-Bis-(3,5-di-tert-butyl-4-hydroxyphenyl)-5,5'-dihydroxy-2,2'-bi-1,4-naphthochinon
Synonyms:
CAS NO:142891-81-4
Molecular Formula:
Molecular Weight: 754.92
EINECS: N/A
Product Categories: N/A

Chemical Properties

Melting Point: N/A
Boiling Point: N/A
Flash Point: N/A
Appearance: N/A
Density: N/A
Refractive Index: N/A
Storage Temp.: N/A
Solubility: N/A
CAS DataBase Reference: 3,3'-Bis-(3,5-di-tert-butyl-4-hydroxyphenyl)-5,5'-dihydroxy-2,2'-bi-1,4-naphthochinon(CAS DataBase Reference)
NIST Chemistry Reference: 3,3'-Bis-(3,5-di-tert-butyl-4-hydroxyphenyl)-5,5'-dihydroxy-2,2'-bi-1,4-naphthochinon(142891-81-4)
EPA Substance Registry System: 3,3'-Bis-(3,5-di-tert-butyl-4-hydroxyphenyl)-5,5'-dihydroxy-2,2'-bi-1,4-naphthochinon(142891-81-4)

Safety Data

Hazard Codes: N/A
Statements: N/A
Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 142891-81-4(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 142891-81-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,8,9 and 1 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 142891-81:
(8*1)+(7*4)+(6*2)+(5*8)+(4*9)+(3*1)+(2*8)+(1*1)=144
144 % 10 = 4
So 142891-81-4 is a valid CAS Registry Number.

142891-81-4Upstream product

142891-78-9 2-(3,5-Di-tert-butyl-4-hydroxyphenyl)-5-hydroxy-1,4-naphthochinon

142891-81-4Downstream Products

142891-81-4Relevant academic research and scientific papers

1,4-naphthoquinones, XXII: 1,4-addition of 2,6-di-tert-butylphenol to halogenjuglone derivatives

Wurm

, p. 365 - 369 (1992)

2- and 3-Bromo- or -chloro-5-hydroxy-1,4-naphthoquinone derivatives 1a-d react with 2,6-di-tert-butylphenol and a base by 1,4-addition and HBr/HCl elimination to arylnaphthoquinones of a new type with different regioselectivity. 1a leads to 4 as the main

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